diff --git a/src/backend/access/gin/ginvacuum.c b/src/backend/access/gin/ginvacuum.c
index b3f415e2849..129c6bcdb54 100644
--- a/src/backend/access/gin/ginvacuum.c
+++ b/src/backend/access/gin/ginvacuum.c
@@ -396,6 +396,13 @@ ginVacuumPostingTreeLeaves(GinVacuumState *gvs, BlockNumber blkno)
 		if (blkno == InvalidBlockNumber)
 			break;
 
+		/*
+		 * A safe point to delay/accept interrupts: the previous page has been
+		 * unlocked and released, so we hold no buffer content lock (nor any
+		 * other LWLock) here and CHECK_FOR_INTERRUPTS() can do its job.
+		 */
+		vacuum_delay_point();
+
 		buffer = ReadBufferExtended(gvs->index, MAIN_FORKNUM, blkno,
 									RBM_NORMAL, gvs->strategy);
 		LockBuffer(buffer, GIN_EXCLUSIVE);